Sign Up for a Free Account

This is an image preview.
Start a Free Account
to view the full image.

  • Nearly 3,000 illustrations, including video clips of neurologic disorders.

  • Every article is reviewed by our esteemed Editorial Board for accuracy and currency.

  • Full spectrum of neurology in 1,200 comprehensive articles.

  • Listen to MedLink on the go with Audio versions of each article.

Bar graph indicating the number of wild poliovirus type 1 cases, by country and month of paralysis onset (worldwide, January 2019 to June 2021)

Data as of August 3, 2021. Abbreviation: WPV1 = wild poliovirus type 1. (Source: Bigouette JP, Wilkinson AL, Tallis G, Burns CC, Wassilak SGF, Vertefeuille JF. Progress toward polio eradication - worldwide, January 2019-June 2021. MMWR Morb Mortal Wkly Rep 2021;70[34]:1129-35.)

Related Article

Associated Disorders

  • Aseptic meningitis
  • Bulbar polio
  • Bulbospinal polio
  • Infantile paralysis
  • Nonparalytic polio
  • Paralytic polio
  • Polioencephalitis
  • Post-polio progressive muscular atrophy
  • Post-polio syndrome
  • Spinal paralytic polio